25th Brigade
- 25 Squadron (disambiguation)
- 25th Airborne Brigade (Ukraine)
- 25th Armored Brigade (Greece)
- 25th Armoured Engineer Brigade Royal Engineers
- 25th Army Tank Brigade
- 25th Battalion (disambiguation)
- 25th Brigade (Australia)
- 25th Brigade Royal Field Artillery
- 25th Canadian Infantry Brigade
- 25th Division (disambiguation)
- 25th Indian Infantry Brigade
- 25th Infantry Brigade (North Korea)
- 25th Infantry Brigade (United Kingdom)
- 25th Separate Guards Motor Rifle Brigade
- 25th Transport Aviation Brigade (Ukraine)
- Kuwait 25th Commando Brigade